
<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			/* 标签选择器 */
			div {
				width: 200px;
				height: 200px;
				padding-left: 10px;
				padding-right: 20px;
				padding: 40px 50px 60px;
				padding-bottom: 30px;
				border: 8px solid #000000;
			}
			/* 类选择器 */
			.color-blue {
				color: blue;
			}
		</style>
	</head>
	<body>
		<div class="color-blue"></div>
		
	</body>
</html>
